diff --git a/ChangeLog b/ChangeLog
index c69d24e..1deb6b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,10 @@ Changes in version 1.12.1
   * pck-update - Davide Madrisan:
     Fix message to let work the italian translation.
 
++ update
+  * conf/02-specfile-formatting-rules.conf - Davide Madrisan:
+    Update 'source0_name_structure' to allow *.tar.xz archives.
+
 -------------------------------------------------------------------------------
 
 Changes in version 1.12.0
diff --git a/conf/02-specfile-formatting-rules.conf b/conf/02-specfile-formatting-rules.conf
index d420bdc..b2353cc 100644
--- a/conf/02-specfile-formatting-rules.conf
+++ b/conf/02-specfile-formatting-rules.conf
@@ -15,4 +15,4 @@ patch_name_structure="^%\{name\}-[0-9][\.0-9a-z]*-[a-zA-Z0-9_-]+*.patch[\.gzb2]*
 # that is a full internet address of a tarball package compressed with
 # either gzip or bzip2
 # If you don't want to fix a structure use ""
-source0_name_structure="\(http\|ftp\):\/\/.*\.\(tar\.gz\|tgz\|tar\.bz2\|tar\.Z\|shar\.gz\|zip\)"
+source0_name_structure="\(http\|ftp\):\/\/.*\.\(tar\.gz\|tgz\|tar\.bz2\|tar\.Z\|tar\.xz\|shar\.gz\|zip\)"